Okada Tomohiko

Academic Assembly School of Science and Technology Institute of Engineering

Interdisciplinary Cluster for Cutting Edge Research Research Initiative for Supra-Materials 

Associate Professor 

Degree

  • Dr.Sci., Waseda Univ.

Field Of Study

  • Material Chemistry
  • Inorganic-organic hybrids

Mail Address

    tomohiko★shinshu-u.ac.jp

Career

  • 2015
    Shinshu Univ. Associate Professor
  • 2007 - 2015
    Shinshu Univ. Assistant Professor
  • 2006 - 2007
    Shinshu Univ. Research Associate
  • 2004 - 2006
    Waseda Univ. Research Associate

Educational Background

  • 2001, Waseda Univ., Graduate School of Sci.&Eng.
  • 2004, Waseda Univ., Graduate School of Sci.&Eng.
  • 1999, Waseda Univ., Dept. Earth Sciences
Research activity information

Award

  • 2011
    The 15th International Conference on Thin Films, Encouragement of Research in Thin Films

Paper

  • Formation of moth-eye-like structures on silicon through in situ crystallization of layered Mg silicate
    Yuki Nakauchi, Hikari Minamisawa, Tomohiko Okada*
    Dalton Trans., 10.1039/D3DT04105K, Jan. 2024, Refereed
    Last, Corresponding電子ジャーナル
  • Spherical silica particles coated with lamellar nanocomposites based on a hydrophobic functionalized phyllosilicate
    Tomohiko Okada*, Natsuki Taguchi, Sakura Shimomura
    Colloid Surf. A, 676, 132135, Jul. 2023, Refereed
    Lead, Corresponding電子ジャーナル
  • Acceleration of the dehydrogenation of d-glucose to 2-keto-d-gluconate in aqueous amino acid via hydrated stacked clay nanosheets
    Katsunori Nakase, Shunta Ichihara, Jumpei Matsumoto, Sangho Koh, Masahiro Mizuno, Tomohiko Okada*
    Langmuir (selected as Supplementary Cover), 38, 6076-6085, May 2022, Refereed
    Last, Corresponding電子ジャーナル
  • Important roles of water clusters confined in a nanospace as revealed by a synchrotron X-ray diffraction study
    Tomohiko Okada,* Kana Izumi, Shogo Kawaguchi, Chikako Moriyoshi, Takuya Fujimura, Ryo Sasai, Makoto Ogawa
    LANGMUIR, 37, 10469-10480, Aug. 2021, Refereed
    Lead, Corresponding電子ジャーナル
  • Monodisperse Clay Microballs for Tuning the Psuedogaps by Adsorption in Amorphous Photonic Structures
    Tomohiko Okada,*, Sho Hosoyamada, Chisato Takada, Chiharu Ohta
    CHEMPHOTOCHEM, 5, 32-35, 2021, Refereed
    Last, Corresponding電子ジャーナル
  • Unimodal sized silica nanocapsules produced through water-in-oil emulsions prepared by sequential irradiation of kilo- and submega-hertz ultrasounds
    Takahiro Nemoto, Toshio Sakai, Tomohiko Okada*
    RSC Adv., 11, 22921-22928, 2021, Refereed
    Last, Correspondingリポジトリ電子ジャーナル
  • Electronic Interactions between A Quaternary Pyridyl-beta-diketonate and Anionic Clay Nanosheets Facilitates Intense Photoluminescence.
    Tomohiko Okada,* Yoko Miyamoto, Haruka Kurihara, Yoshifumi Mochiduki, Shiho Katsumi, Fuyuki Ito
    Photochem. Photobiol. Sci. (selected as Front Cover), 19, 1280-1288, 2020, Refereed
    Lead, Corresponding電子ジャーナル
  • A useful method for thorough dehydrochlorination of Poly(vinylidene chloride-co-vinyl chloride) using Zinc(II) oxide
    Tomohiiko Okada*, Satoru Sutoh, Kotaro Sejima, Hiroki Tomohara, Shozi Mishima
    Polym. Degrad. Stab., 171, 109040, 2020, Refereed
    Lead, Corresponding電子ジャーナル
  • Hydrated silicate layer formation on mica-type crystals
    Misa Sugiura, Mai Sueyoshi, Ryuichi Seike, Takayoshi Hayashi, Tomohiko Okada*
    LANGMUIR, 36, 4933-4941, 2020, Refereed
    Last, Corresponding電子ジャーナル
  • Influence of negative charge distribution and locations of Na+ ions on ionic conductivity of Na-mica
    Junnosuke Kemi, Tomohiro Yamaguchi, Tomohiko Okada, Seiichi Taruta
    Clay Science, 23, 31-39, 2019
  • Pore shape-reflecting morphosynthesis of lithium niobium oxide via mixed chloride flux growth in the presence of mesoporous silica.
    Minoru Sohmiya, Shinya Umehara, Shinpei Enomoto, Yusuke Ide, Tomohiko Okada, Yoshiyuki Sugahara, Makoto Ogawa
    Nanoscale Adv., 1, 1726-1730, 2019, Refereed電子ジャーナル
  • A Study of Stereoselective Adsorption in Smectites Using Thin-Layer Chromatography
    Kazuki Tajima, Tomohiko Okada,*
    Appl. Clay Sci., 70, 13-20, 2019, Refereed
    Last, Corresponding電子ジャーナル
  • Functional groups of organochlorosilanes influenced microporous structure in organosiloxane microcapsules synthesized using a water-in-oil emulsion template
    Tomohiko Okada*, Takayuki Aizawa
    Bull. Chem. Soc. Jpn., 92(5), 912-917, 2019, Refereed
    Lead, Corresponding電子ジャーナル
  • Direct Crystallization of Layered Silicates on the Surface of Amorphous Silica
    Tomohiko Okada*
    Chem. Rec., 18, 829-839, 2018, Refereed
    Lead, Corresponding電子ジャーナル
  • Effect of particle size and local disorder on specific surface area of layered double hydroxides upon calcination-reconstruction.
    Bo-Kyung Kim, Gyeong-Hyeon Gwak, Tomohiko Okada,* Jae-Min Oh*
    J. Solid State Chem., 263, 60-64, 2018, Refereed
    Corresponding電子ジャーナル
  • Crystal Growth of Layered Silicate Grafted with Organic Groups on Monodisperse Spherical Silica Particles.
    Masahiro Yamauchi, Tomohiko Okada*
    Clays Clay Miner., 66(2), 104-113, 2018, Refereed
    Last, Corresponding電子ジャーナル
  • Variation in thickness of a layered silicate on spherical silica particles affected HPLC chiral chromatographic resolution.
    Tomohiko Okada*, Mutsuki Oguri, Kazuki Tajima, Tomohiko Yamakami, Hisako Sato
    Appl. Clay Sci., 163, 72-80, 2018, Refereed
    Lead, Corresponding電子ジャーナル
  • Uniform-sized Silica Nanocapsules Produced by Addition of Salts to a W/O Emulsion Template
    Tomohiko Okada,* Takashi Koide
    LANGMUIR, 34, 9500-9506, 2018, Refereed
    Lead, Corresponding電子ジャーナル
  • Photoinduced structural changes of cationic azo dyes confined in two dimensional nanospace by two different mechanisms
    Tomohiko Okada, Nozomi Nozaki, Jangwon Seo, Ji Eon Kwon, Soo Young Park, Hideo Hashizume, Takayoshi Sasaki, Makoto Ogawa
    RSC Adv., 7, 8077-8081, 2017, Refereed
    Lead電子ジャーナル
  • Kinetics of Interlayer Expansion of a Layered Silicate Driven by Caffeine Intercalation in the Water Phase Using Transmission X–ray Diffraction
    Tomohiko Okada*, Takumi Yoshida, Taku Iiyama*
    J. Phys. Chem. B, 121, 6919-6925, 2017, Refereed
    Lead, Corresponding電子ジャーナル
  • Photoluminescence by Intercalation of a Fluorescent beta-Diketone Dye into a Layered Silicate
    Mutsumi Hirose, Fuyuki Ito, Tetsuya Shimada, Shinsuke Takagi, Ryo Sasai, Tomohiko Okada*
    LANGMUIR, 33, 13515-13521, 2017, Refereed
    Last, Corresponding電子ジャーナル
  • An Inorganic Anionic Polymer Filter Disc: Direct Crystallization of a Layered Silicate Nanosheet on a Glass Fiber Filter
    Tomohiko Okada*, Kei Shimizu, Tomohiko Yamakami
    RSC Adv., 6, 26130-26136, 2016, Refereed
    Lead, Corresponding電子ジャーナル
  • Application of Hectorite-Coated Silica Gel Particles as a Packing Material for Chromatographic Resolution
    Tomohiko Okada,* Aisaku Kumasaki, Kei Shimizu, Akihiko Yamagishi, Hisako Sato
    J. Chromatogr. Sci., 54, 1238-1243, 2016, Refereed
    Lead, Corresponding電子ジャーナル
  • Water-Floatable Organosilica Particles for TiO2 Photocatalysis
    Yusuke Maki, Yusuke Ide, Tomohiko Okada*
    Chem. Eng. J., 299, 367-372, 2016, Refereed
    Last, Corresponding電子ジャーナル
  • Effects of fluoride and urea on the crystal growth of a hectorite-like layered silicate on a silica surface
    Tomohiko Okada*, Hanae Kobari, Tetsuji Haeiwa
    Appl. Clay Sci., 132-133, 320-325, 2016, Refereed
    Lead, Corresponding電子ジャーナル
  • Photochromic intercalation compounds
    Tomohiko Okada, Minoru Sohmiya, Makoto Ogawa
    Struct. Bond., 166, 177-211, 2015, Refereed
    Lead
  • Concentration of 2-Phenylphenol by Organoclays from Aqueous Sucrose Solution
    Yoko Seki, Yusuke Ide, Tomohiko Okada, Makoto Ogawa
    Appl. Clay Sci., 109-110, 64-67, 2015電子ジャーナル
  • Organoclays in water cause expansion that facilitates caffeine adsorption
    Tomohiko Okada*, Junpei Oguchi, Kenichiro Yamamoto, Takashi Shiono, Masahiro Fujita., Taku Iiyama
    LANGMUIR, 31, 180-187, 2015, Refereed
    Lead, Corresponding電子ジャーナル
  • Preparation of Porous Thin-film Polymethylsiloxane Microparticles in a W/O Emulsion System.
    Shozi Mishima, Tomohiko Okada, Toshio Sakai, Ryotaro Kiyono, Tetsuji Haeiwa
    Polym. J., 47, 449-455, 2015電子ジャーナル
  • Crystal growth of a hectorite-like layered silicate on monodisperse spherical silica particles with different diameters
    Tomohiko Okada*, Asuka Suzuki
    Clay Sci., 19, 45-51, 2015, Refereed
    Lead, Corresponding電子ジャーナル
  • In situ crystallization of Al-containing silicate nanosheets on monodisperse amorphous silica microspheres
    Tomohiko Okada*, Mai Sueyoshi, Hikari M. Minamisawa
    LANGMUIR, 31, 13842-13849, 2015, Refereed
    Lead, Corresponding電子ジャーナル
  • Crystal architectures of a layered silicate on monodisperse spherical silica particles cause the topochemical expansion of the core-shell particles
    Tomohiko Okada*, Asuka Suzuki, Shiho Yoshido, Hikari, M. Minamisawa
    Microporous Mesoporous Mater., 215, 168-174, 2015, Refereed
    Lead, CorrespondingWebofScienceリポジトリ電子ジャーナル
  • Designed Nanostructures of Clay for Controlled Adsorption of Organic Compounds
    Tomohiko Okada, Yoko Seki, Makoto Ogawa
    J. Nanosci. Nanotech., 14, 2121-2134, 2014, Refereed
    Lead電子ジャーナル
  • Encapsulation of a Polyoxometalate into an Organosilica Microcapsule for Highly Active Solid Acid Catalysis
    Tomohiko Okada*, Kazuyoshi Miyamoto, Toshio Sakai, Shozi Mishima
    ACS Catal., 4, 73-78, 2014, Refereed
    Lead, Corresponding電子ジャーナル
  • Magnetic rattle-type core-shell particles containing iron compounds with acid-tolerance by dense silica.
    Tomohiko Okada*, Shoya Ozono, Masami Okamoto, Yohei Takeda, Hikari M. Minamisawa, Tetsuji Haeiwa, Toshio Sakai, Shozi Mishima
    Ind. Eng. Chem. Res., 53, 8759-8765, 2014, Refereed
    Lead, Corresponding電子ジャーナル
  • Chemically Stable Magnetic Nanoparticles for Metal Adsorption and Solid Acid Catalysis in Aqueous Media.
    Tomohiko Okada*, Yohei Takeda, Nodoka Watanabe, Tetsuji Haeiwa, Toshio Sakai, Shozi Mishima
    J. Mater. Chem. A, 2(16), 5751-5758, 2014, Refereed
    Lead, CorrespondingWebofScienceリポジトリ電子ジャーナル
  • Layered Clay Aerogels by A Freeze-Drying Process for A Platinum-Supported Catalyst.
    Tomohiko Okada*, Taku Kato, Takeharu Yamaguchi, Toshio Sakai, Shozi Mishima
    Ind. Eng. Chem. Res., 52, 12018-12024, 2013, Refereed
    Lead, Corresponding電子ジャーナル
  • Block Copolymer-mediated Synthesis of Gold Nanoparticles in Aqueous Solutions: Segment Effect on Gold Ion Reduction, Stabilization and Particle Morphology
    Sakai, T., Horiuchi, Y., Alexandridis, P., Okada, T., Mishima S.
    J. Colloid Interface Sci., 394, 124-131, 2013WebofScienceリポジトリ電子ジャーナル
  • Titania/CnTAB Nanoskeleton as Adsorbent and Photocatalyst for Removal of Alkylphenols Dissolved in Water
    Sakai, T., Da Loves, A., Okada, T., Mishima S.
    J. Hazard. Mater., 248-249, 487-495, 2013WebofScienceリポジトリ電子ジャーナル
  • Magnetic and electronic properties of bimagnetic materials comprising cobalt particles within hollow silica decorated with magnetite nanoparticles.
    Tomohiko Okada*, Y. González-Alfaro, A. Espinosa, Nodoka Watanabe, Tetsuji Haeiwa, Makoto Sonehara, Shozi Mishima, Toshiro Sato, A. Muñoz-Noval, Pilar Aranda, M. Garcia-Hernández, Eduardo Ruiz-Hitzky*
    J. Appl. Phys., 114(12), 124304, 2013, Refereed
    Lead, CorrespondingWebofScienceリポジトリ電子ジャーナル
  • Organic-inorganic hybrids based on ultrathin oxide layers -Designed nanostructures for molecular recognition.
    Tomohiko Okada, Yusuke Ide, Makoto Ogawa
    Chem. Asian J.,, 7, 1980-1992, 2012, Refereed
    Lead電子ジャーナル
  • Swellable Microsphere of a Layered Silicate Produced by Using Monodispersed Silica Particles
    Tomohiko Okada*, Shiho Yoshido, Hikari Miura, Tomohiko Yamakami, Toshio Sakai, Shozi Mishima
    J. Phys. Chem. C, 116, 21864-21869, 2012, Refereed
    Lead, Corresponding電子ジャーナル
  • Characteristics and mechanism of low temperature dehydrochlorination of poly(vinyl chloride) in the presence of zinc(II) oxide
    Takashi Kosuda, Tomohiko Okada, Shogo Nozaka, Yukitaka Matsuzawa, Takuya Shimizu, Senji Hamanaka, Shozi Mishima
    Polym. Degrad. Stab., 97, 584-591, 2012, RefereedWebofScienceリポジトリ電子ジャーナル
  • Multi-shaped gold nanoparticles synthesized using an amino-terminated poly(ethylene oxide)–poly(propylene oxide) block copolymer in aqueous solutions
    Sakai, T. Ishigaki, M., Okada, T., Mishima, S.
    Chem. Lett., 40, 501-502, 2011, Refereed
  • Fabrication of Acid-tolerant Magnetic Co@SiO2 Core-Shell Particles with Dense Silica Shell
    Tomohiko Okada, Nodoka Watanabe, Toshio Sakai, Tetsuji Haeiwa, Shozi Mishima
    Chem. Lett., 40, 106-107, 2011, Refereed
    Lead電子ジャーナル
  • Organo-smectite adsorbents; Designed nanostructures for smart adsorbents
    Tomohiko Okada, Makoto Ogawa
    Clay Sci., 15, 103-110, 2011, Refereed
    Lead電子ジャーナル
  • Vesicle formation in mixture of a PEO-PPO-PEO block copolymer (Pluronic P123) and a nonionic surfactant (Span 65) in water.
    Sakai, T. Kurosawa, H., Okada, T., Mishima, S.
    Colloid Surf. A, 389, 82-89, 2011, RefereedWebofScienceリポジトリ電子ジャーナル
  • A Facile Route of Gold Nanoparticle Synthesis and Surface Modification Using Amino-Terminated Poly(ethylene oxide)-Poly(propylene oxide) Block Copolymers
    Sakai, T. Ishigaki, M., Okada, T., Mishima, S.
    J. Nanosci. Nanotech., 10, 919-926, 2010, Refereed
  • Nanospace engineering inthe interlayer space of hectorite-like layered silicates with varied layer charge density for the adsorbents design
    Tomohiko Okada, Takayuki Matsutomo, Makoto Ogawa
    J. Phys. Chem. C, 114, 539-545, 2010, Refereed
    Lead電子ジャーナル
  • Adsorption of 4-nonylphenol on 1,1’-dioctyl-4,4’-bipyridinium-smectite intercalation compounds from aqueous solution
    Tomohiko Okada, Makoto Ogawa
    Clay Sci., 14, 191-196, 2010, Refereed
    Lead電子ジャーナル
  • One-pot Synthesis of Inorganic-Organic Hollow Microsphere Solid-Acid Catalysts in a W/O Microemulsion System
    Tomohiko Okada, Shozi Mishima, Shingo Yoshihara.
    Chem. Lett., 39, 32-33, 2009, Refereed
    Lead電子ジャーナル
  • Preparation of iron containing hectorite-like swelling silicate
    Makoto Ogawa, Takayuki Matsutomo, Tomohiko Okada
    Bull. Chem. Soc. Jpn., 82, 408-412, 2009, Refereed電子ジャーナル
  • Preparation of quaternary diammonium-montmorillonites and their vapor adsorption properties
    Yoko Seki, Tomohiko Okada, Makoto Ogawa
    Microporous Mesoporous Mater., 129, 30-35, 2009, Refereed電子ジャーナル
  • Adsorption of tetrakis(p-sulfonatophenyl)porphyrin on kaolinite.
    Yusuke Tanaka, Tomohiko Okada, Makoto Ogawa
    J. Porous Mater., 16(6), 623-629, 2009, RefereedWebofScienceリポジトリ電子ジャーナル
  • The effect of the molecular structure of a cationic azo dye on the photoinduced intercalation of phenol in a montmorillonite
    Tomohiko Okada, Hideki Sakai, Makoto Ogawa
    Appl. Clay Sci., 40, 187-192, 2008, Refereed
    Lead電子ジャーナル
  • Preparation of hectorite-like swelling silicate with controlled layer charge density.
    Makoto Ogawa, Takayuki Matsutomo, Tomohiko Okada
    J. Ceram .Soc. Jpn., 116, 1309-1313, 2008, Refereed電子ジャーナル
  • Luminescence quenching of tris(2,2’-bipyridine)ruthenium(II) in the interlayer space of saponite by sulfur dioxide
    Tomohiko Okada, Takahiro Konno, Makoto Ogawa
    Clay Sci., 14, 43-48, 2008, Refereed
    Lead電子ジャーナル
  • Adsorption of europium ion on smectites and fluor-tetrasilicic mica
    Tomohiko Okada, Yusuke Ehara, Makoto Ogawa
    Clays Clay Miner., 55, 348-353, 2007, Refereed
    Lead電子ジャーナル
  • Preparation and properties of trans-2-butene-1,4-bis(triphenylphosphonium)-saponite
    Yusuke Tanaka, Tomohiko Okada, Makoto Ogawa
    J. Porous Mater., 13, 157-161, 2006, Refereed電子ジャーナル
  • Adsorption and possible luminescence detection of 4-nonylphenol by Eu3+-smectites
    Tomohiko Okada, Yusuke Ehara, Makoto Ogawa
    Chem. Lett., 35, 638-639, 2006, Refereed
    Lead電子ジャーナル
  • Tris(2,2’-bipyridine)ruthenium(II)-clays as adsorbents for phenol and chlorinated phenols from aqueous solution
    Tomohiko Okada, Takao Morita, Makoto Ogawa
    Appl. Clay Sci., 29, 45-53, 2005, Refereed
    Lead電子ジャーナル
  • Photoregulation of adsorption behavior of phenol for azobenzene-clay intercalation compounds
    Tomohiko Okada, Yusuke Watanabe, Makoto Ogawa
    J. Mater. Chem., 15, 987-992, 2005, Refereed
    Lead電子ジャーナル
  • p-Phenylenediammonium-smectites as adsorbents with colorimetric detection ability for phenols in water
    Tomohiko Okada, Makoto Ogawa
    Bull. Chem. Soc. Jpn., 77, 1165-1170, 2004, Refereed
    Lead電子ジャーナル
  • Photocontrol of the adsorption behavior of phenol for azobenzene-montmorillonite intercalation compound
    Tomohiko Okada, Yusuke Watanabe, Makoto Ogawa
    Chem. Commun., 320-321, 2004, Refereed
    Lead電子ジャーナル
  • Adsorption behavior of phenol for mono, bis and tris(2,2’-bipyridine)nickel(II)- and tris(ethylenediamine)nickel(II)-saponite intercalation compounds from aqueous solution
    Tomohiko Okada, Takao Morita, Makoto Ogawa
    Clay Sci., 12, 277-284, 2004, Refereed
    Lead電子ジャーナル
  • 1,1’-Dimethyl-4,4-bipyridinium-smectites as a novel adsorbent of phenols from water through charge-transfer interactions
    Tomohiko Okada, Makoto Ogawa
    Chem. Commun., 1378-1379, 2003, Refereed
    Lead電子ジャーナル
  • Adsorption of phenols onto 1,1’-dimethyl-4,4’-bipyridinium-smectites.
    Tomohiko Okada, Makoto Ogawa
    Chem. Lett., 31, 812-813, 2002, Refereed
    Lead電子ジャーナル

MISC

  • in situ結晶化を利用した表面の多孔質化
    岡田友彦
    Nanofiber, 15, 31 - 37, Jul. 2024, Invited
    Lead, Corresponding
  • 水分散系粘土鉱物の放射光粉末X線回折分析
    岡田 友彦
    セラミックス, 58(6), 349 - 352, Jun. 2023, Refereed, Invited
    Lead, Corresponding

Books and other publications

  • Inorganic Nanosheets and Nanosheet-Based Materials, Ed. by Nakato, T., Kawamata, J., Takagi, S.
    Tomohiko Okada, Makoto Ogawa, Joint work, Adsorbents derived from layered solids
    Springer, 263-301 2017, Refereed
  • Inorganic Nanosheets and Nanosheet-Based Materials, Ed. by Nakato, T., Kawamata, J., Takagi, S.
    Tomohiko Okada, Makoto Ogawa, Joint work, Inorganic–organic interactions
    Springer, 163-186 2017, Refereed
    ISBN:978-4-431-56494-2
  • The Clay Minerals Society Workshop Lectures Series (Materials and Clay Minerals) 18
    Makoto Ogawa, Minoru Sohmiya, Norishige Kakegawa, Tomohiko Okada, Joint work, Immobilization of Organic Dyes on Clays Toward Controlled Photoinduced Events
    1-20 2014, Refereed
    ISBN:978-0-8137-9548-5

Research Themes

  • 第一稀元素化学工業株式会社 研究助成金
    2023
  • 液体中の金属イオン除去技術の研究
    2020 - 2021
  • 層状ケイ酸塩基材上に層状ケイ酸を生成させる複合粒子の合成
    2016 - 2016
  • スメクタイト被覆シリカ粒子に関する技術
    技術指導契約
  • シロコガネの鱗片を模倣したプラスチックビーズ代替顔料の設計
    科学研究費, 基盤研究C
Social activity information

Other research activities

  • Aug. 2005 - Aug. 2005
    International Symposium on Physics and Chemistry of Smectites, 組織委員
  • Mar. 2012 - 2019
    日本化学会研究会「低次元光機能材料研究会」, 役員
  • Dec. 2012 - May 2013
    International Symposium on Materials Chemistry of Intercalation Compounds (MCIC2013), 組織委員